Carlo Gavazzi UDM35/40 & USC - Manual (Page 17)

UDM 35/40 PANEL METER USER MANUAL
16
The second filter parameter is . It represents the filtering coefficient.
The higher the value of Fil.C, the smoother the curve of the displayed value.
There is no theoretical rule to define this parameter, but it is suggested to start
with the same value of the Fil.S coefficient and then increase it until the desired
stability is reached. The digital filter affects the values retransmitted via both
serial communications and analog output.
Once is displayed, use the key to toggle to the desired position.
Use the keys to select the value to enter. Press to confirm. Press
to advance to the next program step sequence.
Analog Output Programming
Many times the displayed value must be retransmitted as an analog output. The
relationship between parameters is as follows:
Low Display Value >>>>>
Low Analog Output
High Display Value >>>>>
High Analog Output
To assure proper coordination and retransmission, it is important to note that the
parameters are programmed as a percentage of the analog output full scale
value (20mA or 10 Vdc) according to the TYPE selection (see below). Therefore,
to set 4mA as Lo.A, the correct value to be entered must be 20 (20% of the full
scale 20mA range). The Hi.A must be 100 (100% = 20mA). Because of this
programming technique, it is possible to set a reverse slope analog output
characteristic.